Definition of Pearl River in US English:

Pearl River

proper noun

  • 1A river in southern China that flows from Guangzhou (Canton) south to the South China Sea and forms part of the delta of the Xi River. Its lower reaches widen to form the Pearl River estuary, an inlet between Hong Kong and Macao.

  • 2A river that flows for 485 miles (780 km) across central Mississippi, to form part of the border with Louisiana, into the Gulf of Mexico.